ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,772, issued on Aug. 5, was assigned to Hangzhou PingPong Intelligence Technology Co. Ltd. (Hangzhou, China).

"Operation and maintenance management method and system for automatically and uniformly managing nodes of bastion host" was invented by Xiaohui Jia (Hangzhou, China), Peng Chen (Hangzhou, China), Zhehui Zhao (Hangzhou, China), Yu Chen (Hangzhou, China), Ning Wang (Hangzhou, China) and Shuai Lu (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an operation and maintenance method and system for automatically and uniformly managing nodes of bastion host. No matter distribution of user permission, daily deployment of mac...